package com.hz.edu.service;

import com.hz.edu.model.dto.UserSelectCourseDTO;
import com.hz.edu.model.entity.CourseEntity;

import java.util.List;

public interface StudentService {

    int selectCourse(Integer userId, Integer courseId);

    int cancelCourse(Integer userId, Integer courseId);

    List<UserSelectCourseDTO> selectedCourses(Integer studentId);

    UserSelectCourseDTO selectedCourseInfo(Integer studentId, Integer courseId);


}
